1. lacking moderation or self-control; intemperate
Usage: archaic or literary
2. having a disturbed or disordered temperament; ill-tempered
Usage: archaic or literary

Examples

• His distemperate behavior at the dinner party offended several guests.
• The distemperate climate of the region made farming difficult.
• She had a distemperate nature that made her difficult to work with.
• The distemperate consumption of alcohol led to his downfall.
• His distemperate remarks showed a lack of judgment and restraint.